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2. Does Development Reduce Migration?
- Author:
- Michael Clemens
- Publication Date:
- 03-2014
- Content Type:
- Working Paper
- Institution:
- Center for Global Development
- Abstract:
- The most basic economic theory suggests that rising incomes in developing countries will deter emigration from those countries, an idea that captivates policymakers in international aid and trade diplomacy. A lengthy literature and recent data suggest something quite different: that over the course of a "mobility transition", emigration generally rises with economic development until countries reach upper-middle income, and only thereafter falls. This note quantifies the shape of the mobility transition in every decade since 1960. It then briefly surveys 45 years of research, which has yielded six classes of theory to explain the mobility transition and numerous tests of its existence and characteristics in both macro- and micro-level data. The note concludes by suggesting five questions that require further study.
- Topic:
- Economics, Migration, Social Stratification, Social Movement, and Developing World
- Political Geography:
- United States, Canada, and Mexico
3. Estimating Income / Expenditure Differences across Populations: New Fun with Old Engel's Law
- Author:
- Lant Pritchett and Marla Spivack
- Publication Date:
- 08-2013
- Content Type:
- Working Paper
- Institution:
- Center for Global Development
- Abstract:
- How much larger are the consumption possibilities of an urban US household with per capita expenditures of 1,000 US dollars per month than a rural Indonesian household with per capita expenditures of 1,000,000 Indonesian Rupiah per month? Consumers in different markets face widely different consumption possibilities and prices and hence the conversion of incomes or expenditures to truly comparable units of purchasing power is extremely difficult. We propose a simple supplement to existing purchasing power adjusted currency conversions.
- Topic:
- Development, Economics, Political Economy, Political Theory, Social Stratification, and Socialism/Marxism
- Political Geography:
- United States and Southeast Asia
4. Is It All About the Tails? The Palma Measure of Income Inequality
- Author:
- Alex Cobham and Andy Sumner
- Publication Date:
- 09-2013
- Content Type:
- Working Paper
- Institution:
- Center for Global Development
- Abstract:
- There are normative or instrumental reasons why inequality may be said to matter (e.g. fairness and meritocracy). However, much global literature has taken an instrumentalist approach as to why high or rising inequality can hinder development. For example, Birdsall (2007) argues that income inequality in developing countries matters for at least three instrumental reasons: where markets are underdeveloped, inequality inhibits growth through economic mechanisms; where institutions of government are weak, inequality exacerbates the problem of creating and maintaining accountable government, increasing the probability of economic and social policies that inhibit growth and poverty reduction; and where social institutions are fragile, inequality further discourages the civic and social life that underpins the effective collective decision-making that is necessary to the functioning of healthy societies.
- Topic:
- Economics, Poverty, Social Stratification, and Labor Issues
5. A Note on the Middle Class in Latin America
- Author:
- Nancy Birdsall
- Publication Date:
- 08-2012
- Content Type:
- Working Paper
- Institution:
- Center for Global Development
- Abstract:
- The Carbon Monitoring for Action (CARMA) database provides information about the carbon dioxide emissions, electricity production, corporate ownership, and location of more than 60,000 power plants in over 200 countries. Originally launched in 2007, CARMA is provided freely to the public at www.carma.org and remains the only comprehensive data source of its kind. This paper documents the methodology underpinning CARMA v3.0, released in July, 2012. Comparison of CARMA model output with reported data highlights the general difficulty of precisely predicting annual electricity generation for a given plant and year. Estimating the rate at which a plant emits CO2 (per unit of electricity generated) generally faces fewer obstacles. Ultimately, greater disclosure of plant-specific data is needed to overcome these limitations, particularly in major emitting countries like China, Russia, and Japan. For any given plant in CARMA v3.0, it is estimated that the reported value is within 20 percent of the actual value in 85 percent of cases for CO2 intensity, 75 percent for annual CO2 emissions, and 45 percent for annual electricity generation. CARMA's prediction models are shown to offer significantly better estimates than more naïve approaches to estimating plant-specific performance.
- Topic:
- Democratization, Economics, Poverty, and Social Stratification
- Political Geography:
- Russia, Japan, China, America, and Latin America
6. Declining Inequality in Latin America in the 2000s: The Cases of Argentina, Brazil, and Mexico.
- Author:
- Nora Lustig, Luis F. Lopez-Calva, and Eduardo Ortiz-Juarez
- Publication Date:
- 10-2012
- Content Type:
- Working Paper
- Institution:
- Center for Global Development
- Abstract:
- Between 2000 and 2010, the Gini coefficient declined in 13 of 17 Latin American countries. The decline was statistically significant and robust to changes in the time interval, inequality measures, and data sources. In-depth country studies for Argentina, Brazil, and Mexico suggest two main phenomena underlie this trend: a fall in the premium to skilled labor and more progressive government transfers. The fall in the premium to skills resulted from a combination of supply, demand, and institutional factors. Their relative importance depends on the country.
- Topic:
- Development, Economics, Emerging Markets, Globalization, International Trade and Finance, Poverty, and Social Stratification
- Political Geography:
- Brazil, Argentina, Latin America, and Mexico
7. Is There Such a Thing As Middle Class Values?
- Author:
- Florencia Torche, Luis F. Lopez-Calva, and Jamele Rigolini
- Publication Date:
- 02-2012
- Content Type:
- Working Paper
- Institution:
- Center for Global Development
- Abstract:
- Middle class values have long been perceived as drivers of social cohesion and growth. In this paper we investigate the relation between class (measured by the position in the income distribution), values, and political orientations using comparable values surveys for six Latin American countries. We find that both a continuous measure of income and categorical measures of income-based class are robustly associated with values. Both income and class tend to display a similar association to values and political orientations as education, although differences persist in some important dimensions. Overall, we do not find strong evidence of any “middle class particularism”: values appear to gradually shift with income, and middle class values lay between the ones of poorer and richer classes. If any, the only peculiarity of middle class values is moderation. We also find changes in values across countries to be of much larger magnitude than the ones dictated by income, education and individual characteristics, suggesting that individual values vary primarily within bounds dictated by each society.
- Topic:
- Economics, Political Economy, Social Stratification, and Culture
- Political Geography:
- Latin America
8. Declining Inequality in Latin America: Some Economics, Some Politics
- Author:
- Nancy Birdsall, Nora Lustig, and Darryl McLeod
- Publication Date:
- 05-2011
- Content Type:
- Working Paper
- Institution:
- Center for Global Development
- Abstract:
- Latin America is known to have income inequality among the highest in the world. That inequality has been invoked to explain low growth, poor education, macroeconomic volatility, and political instability. But new research shows that inequality in the region is falling. In this paper we summarize recent findings on inequality, present and discuss an assessment of how the type of political regime matters and why, and investigate the relationship between changes in inequality and changes in the size of the middle class in the region. We conclude with some questions about whether and how changes in income distribution and in middle-class economic power will affect the politics of distribution in the future.
- Topic:
- Economics, Poverty, and Social Stratification
- Political Geography:
- Latin America
9. Where Is the Virtue in the Middle Class?
- Author:
- Charles Kenny
- Publication Date:
- 11-2011
- Content Type:
- Policy Brief
- Institution:
- Center for Global Development
- Abstract:
- It is widely agreed by economists and political scientists that the middle class is vital to progress because of its many virtues. But it is difficult to define a middle class by income in a manner that does not either include a lot of very poor people or suggest that most countries have no middle class to speak of. Survey evidence suggests the middle class is not culturally unique, particularly socially progressive, or entrepreneurial. When the middle of the income distribution sides with poor people in demanding equitable access to quality government services (instead of siding with the wealthy for small government and unequal access), pro-poor policies are far more likely to emerge. But this necessary role should not be confused with virtue.
- Topic:
- Development, Economics, Education, Poverty, and Social Stratification
10. The Illusion of Equality: The Educational Consequences of Blinding Weak States, For Example
- Author:
- Lant Pritchett and Martina Viarengo
- Publication Date:
- 08-2009
- Content Type:
- Working Paper
- Institution:
- Center for Global Development
- Abstract:
- Does the government control of school systems facilitate equality in school quality? There is a trade-off. On the one hand, government direct control of schools, typically through a large scale hierarchical organization, could produce equalization across schools by providing uniformity in inputs, standards, and teacher qualifications that localized individually managed schools could not achieve. But there is a tendency for large scale formal bureaucracies to “see” less and less of localized reality and hence to manage on the basis of a few simple, objective, and easily administratively verified characteristics (e.g. resources per student, formal teacher qualifications). Whether centralized or localized control produces more equality depends therefore not only on what “could” happen in principle but what does happen in practice. When government implementation capacity is weak, centralized control could lead to only the illusion of equality: in which central control of education with weak internal or external accountability actually allows for much greater inequalities across schools than entirely “uncontrolled” local schools. Data from Pakistan, using results from the LEAPS study, and from two states of India show much larger variance in school quality (adjusted for student characteristics) among the government schools—because of very poor public schools which continue in operation. We use the PISA data to estimate school specific learning achievement (in mathematics, science, and reading) net of individual student and school average background characteristics and compare public and private schools for 34 countries. For these countries there is, on average, exactly the same inequality in adjusted learning achievement across the private schools as across the public schools. But while inequality is the same on average, in some countries, such as Denmark, there was much more equality within the public sector while in others, such as Mexico, there was much more inequality among the public schools. Among the 18 non-OECD participating PISA countries the standard deviation across schools in adjusted quality was, on average, 36 percent higher in government than in private schools. In cases with weak states the proximate cause of high inequality again was that the public sector distribution of performance had a long left tail—schools with extremely poor performance. Relying on blinded weak states for top-down control of educational systems can be lose-lose relative to localized systems relying on bottom-up control—producing worse average performance and higher inequality.
- Topic:
- Economics, Education, Government, Political Economy, and Social Stratification
- Political Geography:
- Pakistan and India